| Hugh Connell Limited | Extraterritorial | 2024 |
| Hughes Cadman Ltd | Professional & scientific | 2021 |
| Hughes Landscapes Ltd | Administrative & support | 2023 |
| Hughes Pubs Ltd | Administrative & support | 2026 |
| Hughretail Ltd | Information & communication | 2025 |
| Hugo Hanson Ltd | Manufacturing | 2022 |
| Hukin Construction Ltd | Construction | 2010 |
| Hulberts Plumbing & Heating Limited | Construction | 2001 |
| Hulsie Ltd | Information & communication | 2020 |
| Human (Yorkshire) Ltd | Administrative & support | 2015 |
| Human Associates Limited | Professional & scientific | 2018 |
| Human Dignity Organisation CIC | Health & social care | 2025 |
| Human Factors Engineering Limited | Professional & scientific | 2009 |
| Human First Athlete Transitions C.I.C. | Professional & scientific | 2024 |
| Human Operating System C.I.C. | Information & communication | 2025 |
| Human People & Culture UK Limited | Administrative & support | 2024 |
| Human Resource Matters Limited | Administrative & support | 2009 |
| Human-Centred Horizons Ltd | Professional & scientific | 2024 |
| Humanrisq Limited | Information & communication | 2025 |
| Humanstudio Limited | Information & communication | 2007 |
| Humber Lofts Ltd | Hospitality | 2021 |
| Humberstones Estates Ltd | Real estate | 2026 |
| Hummingbird Bridal Studio Ltd | Wholesale & retail | 2025 |
| Humphrey & Simonite Limited | Real estate | 2003 |
| Humphrey Partnership Ltd | Real estate | 2024 |
| Humres Technical Recruitment Ltd | Administrative & support | 2009 |
| Hunger Hill Farm Estates Limited | Other services | 2015 |
| Hunger Zone Ltd | Hospitality | 2025 |
| Hungry Homer Street Food Limited | Hospitality | 2018 |
| Hungry Otter Hospitality Limited | Hospitality | 2025 |
| Hunk Print Limited | Manufacturing | 2026 |
| Hunshelf Holdings Limited | Real estate | 2021 |
| Hunshelf Training and Consultancy Limited | Education | 2012 |
| Hunter Enterprise U-K Limited | Wholesale & retail | 2015 |
| Hunter Enterprises Ltd | Administrative & support | 2025 |
| Hunter House Yorkshire Ltd | Information & communication | 2021 |
| Hunter Property Holdings Ltd | Real estate | 2023 |
| Hunter Safety Ltd | Public administration | 2022 |
| Hunters Bar Estates Limited | Real estate | 2006 |
| Hunters Race Ltd | Real estate | 2025 |
| Hunza Rocks Ltd | Wholesale & retail | 2023 |
| Hurdithallproperties Ltd | Real estate | 2023 |
| Hurley Consultancy Services Limited | Transport & logistics | 2024 |
| Hurn Property Ltd | Real estate | 2023 |
| Hurry Curry Jaipur Ltd | Hospitality | 2014 |
| Hurst Properties Ltd | Construction | 2021 |
| Hurst Property Lettings & Development Limited | Real estate | 2022 |
| Hurstclough Commercial Ltd | Other services | 2020 |
| Hush (UK) Limited | Manufacturing | 1997 |
| Hush Acoustic Products Limited | Manufacturing | 2014 |
| Hush Beauty Ltd | Other services | 2023 |
| Hush Hush (South Yorks) Ltd | Other services | 2023 |
| Hush Products Limited | Administrative & support | 2007 |
| Hushvanity Ltd | Other services | 2025 |
| Husk Coffee Ltd | Hospitality | 2022 |
| Husk Packaging Ltd | Administrative & support | 2026 |
| Husky Loops Limited | Information & communication | 2017 |
| Husmak Property Ltd | Real estate | 2014 |
| Hussain&Son Limited | Health & social care | 2013 |
| Hussein Smoke Station Ltd | Wholesale & retail | 2026 |
| Hutchinson Electrical Ltd | Construction | 2019 |
| Hutchinson's Motors Limited | Manufacturing | 2011 |
| Huthwaite Agri Limited | Agriculture & fishing | 2026 |
| Huthwaite Estates Limited | Real estate | 2021 |
| Huthwaite Group Limited | Professional & scientific | 1997 |
| Huthwaite International Limited | Professional & scientific | 2007 |
| Huthwaite Overseas Limited | Education | 1999 |
| Huthwaite Professional Services Limited | Professional & scientific | 2007 |
| Huthwaite Research Group Limited | Professional & scientific | 1986 |
| Huttenes-Albertus U.K. Limited | Manufacturing | 1978 |
| Hutton & Mitchell Licensed Traders Limited | Wholesale & retail | 2007 |
| Hutton Care Partnership Limited | Hospitality | 2004 |
| Hutton Equine Limited | Professional & scientific | 2015 |
| Hutton Hospitality Ltd | Hospitality | 2021 |
| Hutton Housing Group Limited | Real estate | 2010 |
| Huttons Buildings Limited | Real estate | 2014 |
| Huva Capital Ltd | Professional & scientific | 2020 |
| Huxley-Parlour Holdings Limited | Financial services | 2026 |
| Huxley-Parlour Properties Limited | Real estate | 2026 |
| Huzefapathan Ltd | Wholesale & retail | 2025 |
| Huzzang Limited | Administrative & support | 2013 |
| HV Commissioning and Protection Ltd | Construction | 2024 |
| Hvac Design Plus Ltd | Professional & scientific | 2017 |
| Hvco Limited | Information & communication | 2022 |
| Hvdc Ltd | Extraterritorial | 2026 |
| Hvhcommunities Ltd | Education | 2026 |
| HW Communications Limited | Professional & scientific | 2026 |
| HW Events Ltd | Administrative & support | 2025 |
| HWA Management Consultancy UK Ltd | Transport & logistics | 2023 |
| HWL Consultancy Ltd | Financial services | 2020 |
| HWT Software Ltd | Information & communication | 2024 |
| HX Productions UK Ltd | Professional & scientific | 2024 |
| Hybrid 3 Social Enterprise Ltd | Arts & recreation | 2015 |
| Hybrid 3 Studios Limited | Information & communication | 2014 |
| Hybrid Environmental Consultancy Ltd | Professional & scientific | 2018 |
| Hybrid Group Inc. Limited | Information & communication | 2021 |
| Hybrid Healthcare Ltd | Administrative & support | 2023 |
| Hydes Developments Limited | Real estate | 2025 |
| Hydra Creative Limited | Information & communication | 2009 |
| Hydra Kids Limited | Education | 2009 |